<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=887541
-->
<head>
  <title>Test for event model in web components</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=887541">Bug 887541</a>
<script>

var els = SpecialPowers.Cc["@mozilla.org/eventlistenerservice;1"]
            .getService(SpecialPowers.Ci.nsIEventListenerService);

function eventListener(e) {
  eventChain.push(this);
}

function isEventChain(actual, expected, msg) {
  is(actual.length, expected.length, msg);
  for (var i = 0; i < expected.length; i++) {
    is(actual[i], expected[i], msg + " at " + i);
  }

  if (0 < actual.length) {
    var chain = els.getEventTargetChainFor(actual[0], false); // Events should be dispatched on actual[0].
    ok(expected.length < chain.length, "There should be additional chrome event targets.");
  }
}

/*
 * <div elemOne> ------ <shadow-root shadowOne>
 *                                 |
 *                          <span elemTwo>
 *                                 |
 *                         <span elemThree>
 */

var elemOne = document.createElement("div");
var elemTwo = document.createElement("span");
var elemThree = document.createElement("span");
var shadowOne = elemOne.createShadowRoot();

shadowOne.appendChild(elemTwo);
elemTwo.appendChild(elemThree);

// Test stopping "abort" event.

elemOne.addEventListener("abort", eventListener);
elemTwo.addEventListener("abort", eventListener);
elemThree.addEventListener("abort", eventListener);
shadowOne.addEventListener("abort", eventListener);

var eventChain = [];

var customEvent = new CustomEvent("abort", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that abort event is stopped at shadow root.");

// Test stopping "error" event.

elemOne.addEventListener("error", eventListener);
elemTwo.addEventListener("error", eventListener);
elemThree.addEventListener("error", eventListener);
shadowOne.addEventListener("error", eventListener);

eventChain = [];

customEvent = new CustomEvent("error", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that error event is stopped at shadow root.");

// Test stopping "select" event.

elemOne.addEventListener("select", eventListener);
elemTwo.addEventListener("select", eventListener);
elemThree.addEventListener("select", eventListener);
shadowOne.addEventListener("select", eventListener);

eventChain = [];

customEvent = new CustomEvent("select", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that select event is stopped at shadow root.");

// Test stopping "change" event.

elemOne.addEventListener("change", eventListener);
elemTwo.addEventListener("change", eventListener);
elemThree.addEventListener("change", eventListener);
shadowOne.addEventListener("change", eventListener);

eventChain = [];

customEvent = new CustomEvent("change", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);

// Test stopping "reset" event.

elemOne.addEventListener("reset", eventListener);
elemTwo.addEventListener("reset", eventListener);
elemThree.addEventListener("reset", eventListener);
shadowOne.addEventListener("reset", eventListener);

eventChain = [];

customEvent = new CustomEvent("reset", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that reset event is stopped at shadow root.");

// Test stopping "load" event.

elemOne.addEventListener("load", eventListener);
elemTwo.addEventListener("load", eventListener);
elemThree.addEventListener("load", eventListener);
shadowOne.addEventListener("load", eventListener);

eventChain = [];

customEvent = new CustomEvent("load", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that load event is stopped at shadow root.");

// Test stopping "resize" event.

elemOne.addEventListener("resize", eventListener);
elemTwo.addEventListener("resize", eventListener);
elemThree.addEventListener("resize", eventListener);
shadowOne.addEventListener("resize", eventListener);

eventChain = [];

customEvent = new CustomEvent("resize", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that resize event is stopped at shadow root.");

// Test stopping "scroll" event.

elemOne.addEventListener("scroll", eventListener);
elemTwo.addEventListener("scroll", eventListener);
elemThree.addEventListener("scroll", eventListener);
shadowOne.addEventListener("scroll", eventListener);

eventChain = [];

customEvent = new CustomEvent("scroll", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that scroll event is stopped at shadow root.");

// Test stopping "selectstart" event.

elemOne.addEventListener("selectstart", eventListener);
elemTwo.addEventListener("selectstart", eventListener);
elemThree.addEventListener("selectstart", eventListener);
shadowOne.addEventListener("selectstart", eventListener);

eventChain = [];

customEvent = new CustomEvent("selectstart", { "bubbles" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemTwo, shadowOne], "Test that selectstart event is stopped at shadow root.");

</script>
</body>
</html>
